312003200123022 has 64 divisors (see below), whose sum is σ = 658257984324864. Its totient is φ = 98473575432960.

The previous prime is 312003200123009. The next prime is 312003200123053. The reversal of 312003200123022 is 220321002300213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312003200123022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92273908 + ... + 95595399.

It is an arithmetic number, because the mean of its divisors is an integer number (10285281005076).

Almost surely, 2^{312003200123022} is an apocalyptic number.

312003200123022 is an abundant number, since it is smaller than the sum of its proper divisors (346254784201842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312003200123022 is a wasteful number, since it uses less digits than its factorization.

312003200123022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187869553.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312003200123022 its reverse (220321002300213), we get a palindrome (532324202423235).

The spelling of 312003200123022 in words is "three hundred twelve trillion, three billion, two hundred million, one hundred twenty-three thousand, twenty-two".